
EMX512SC/EMX312SC
70
6
Check F401 resistor value
YES
(OPEN)
NO
7
Check IC402 resistor value (*2)
NO
YES
NO
YES
NO
YES
NO
YES
8
Check the AC input voltage.
*2)
The resistor value is the standard value. Replace IC402 if the resistor value is extremely different from the standard.
Replace F401.
Replace IC402.
Replace IC401 if the problem is not resolved.
Pin 4-1
Resistor value = approx. 500 M ?
Replace IC402.
Replace IC401 if the problem is not resolved.
Pin 4-5
Resistor value = approx. 10 k ?
Replace IC402.
Pin 4-3
Resistor value = approx. 5.5 k ?
Replace IC403.
Replace IC401 if the problem is not resolved.
Check the AC input voltage.
(Voltage varies depending on destination.)
Pin 4-2
Resistor value = approx. 500 M ?
A
F401 resistor value
OPEN?
B
Summary of Contents for EMX312SC
Page 33: ...EMX512SC EMX312SC 33 JACK Circuit Board 2NA WD94340 C C Pattern side パターン側 2 ...
Page 34: ...EMX512SC EMX312SC 34 2NA WD94340 C C D D Pattern side パターン側 2 ...
Page 35: ...EMX512SC EMX312SC 35 2NA WD94340 D D Pattern side パターン側 2 ...
Page 43: ...EMX512SC EMX312SC 43 2NA WE83470 AC IN to PS CN402 to PS CN401 I I Component side 部品側 2 ...
Page 46: ...EMX512SC EMX312SC 46 PA Circuit Board 2NA WE74050 K K Pattern side パターン側 1 ...
Page 47: ...EMX512SC EMX312SC 47 2NA WE74050 K K Pattern side パターン側 1 ...
Page 78: ...EMX512SC EMX312SC 78 3 2 修理フ ローチャー ト 1 次側回路を確認し ます 注意 感電するおそれがあ り ますので 注意し て作業し て く だ さい ...
Page 80: ...EMX512SC EMX312SC 80 YES OPEN ...
Page 82: ...EMX512SC EMX312SC 82 15Vp p 280Vp p ...
Page 84: ...EMX512SC EMX312SC 84 ...